Home / 495,722.22-684,094.98-280,903.23

Finding the Fourth Proportional to 495,722.22, 684,094.98 and 280,903.23

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Solution

The fourth proportional to 495,722.22, 684,094.98 and 280,903.23 is: 387,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,722.22 : 684,094.98 = 280,903.23 : x
  2. Step 2: Convert to fraction form
    495,722.22/684,094.98 = 280,903.23/x
  3. Step 3: Cross multiply
    495,722.22x = 684,094.98 × 280,903.23
  4. Step 4: Simplify right side
    495,722.22x = 192,164,489,508.79
  5. Step 5: Solve for x
    x = 192,164,489,508.79/495,722.22
  6. Step 6: Final answer
    x = 387,645.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.